This is a Tool Kit for celestial navigation and it is also useful for astronomers and casual star gazers.

Includes Almanac sight reduction plotting great circles and Zenith Star Navigation. Also has a star/planet Identifier DR calculator and TSD calculator.

There is a Globe View Sky View and Star Chart to help identify stars and planets.

This is a free app which is valid until the end of 2018. Please see our website where there is a tutorial for NavPak Android and other info.

NavPak reads and writes 2 small files in your storage to save your sights and settings. It will not read or write any other files.